Daytime highs, nighttime lows and the warmest cities in Thousand Islands National Park, Canada this October.
Thousand Islands National Park, Canada, a region in Canada, typically experiences mild weather in October, with maximum daytime temperatures around 14°C (57°F) and nighttime temperatures around 6°C (43°F) in Brockville.
Explore the map below to discover average October temperatures at the top destinations in Thousand Islands National Park. For a deeper dive, simply click on any destination dot.
Check the conditions for any month of the year.
Click on a destination dot for more details. Toggle the map to compare temperatures or precipitation across Thousand Islands National Park.
Marker color shows the average daytime high temperature in October: blue is cold, red is hot.
Brockville averages a daytime high of 14°C (57°F) in October, which is moderate for Thousand Islands National Park, Canada.
Nighttime temperatures in Brockville typically drop to around 6°C (43°F) in October.
Brockville enjoys a balanced 141 hours of sunlight. This makes it neither too overcast nor too sunny.
We have much more information about the climate in Thousand Islands National Park.
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